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What are they talking about？A．The way to Sichuan restaurant.B．Who is McDonald.C．Where to h

What are they talking about？

A．The way to Sichuan restaurant.

B．Who is McDonald.

C．Where to have a meal.

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第1题

Oracle9iofferstheabilitytomonitorthedynamicuseoftheSGAthroughtheDB_CACHE_ADVICEparameter.WhenthisparameterissettoREADY,whatisitseffect?()

A.TheAdvisoryisonandwillcapturebothCPUandmemoryoverhead.

B.TheAdvisoryisonbutthememoryfortheAdvisoryisnotallocated.

C.TheAdvisoryisoffandthememoryfortheAdvisoryisnotallocated.

D.TheAdvisoryisoffbutthememoryfortheAdvisoryremainsallocated.

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第2题

Abitmapjoinindexisdefinedas().

A.Anindexusedtojointwobitmapindexesonatable.

B.Abitmapindexcreatedforthejoinoftwoormoretables.

C.Abitmapindexcreatedonthejoinoftwoormoreindexes.

D.Abitmapindexcreatedonthejoinoftwoormoreindexed-organizedtables.

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第3题

Examinethestatement:DROPTABLESPACEIND2INCLUDINGCONTENTSANDDATAFILES;Whatistheresultofthestatement?()

A.A

B.B

C.C

D.D

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第4题

Considerthissyntax:MERGEINTOt1USINGt2ON(joinpredicate)…..WhatdoestheMERGEsyntaxdo?()

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B.ItcreatesanaturaljoinoftablesT1andT2forallcolumnsthathavethesamename.

C.ItcreatesaCartesianproductoftableT1andtableT2forallcolumnsthathavethesamename.

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第5题

WhichtwodatatypescanbeconvertedtoLOBsusinganALTERTABLE…MODIFYcommand?()

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B.LONG

C.VARCHAR

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第6题

Given:String[]elements={"for","tea","too"};Stringfirst=(elements.length>0)?elements[0]:null;Whatistheresult?()

A.Compilationfails.

B.Anexceptionisthrownatruntime.

C.Thevariablefirstissettonull.

D.Thevariablefirstissettoelements[0].

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第7题

Onlineindexrebuildfunctionalityhasbeenextendedtoincludewhichfourindexstructures?()

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C.Function-basedindexes.

D.Key-compressedindexesonregulartables.

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第8题

WhenperformingincompleterecoveryusingUNTILSEQUENCEwithRMAN,whichtwopiecesofinformationarerequired?()

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第9题

Whichbackgroundprocessreadstheredologbufferandwritesittoafile?()

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第10题

YouhaveperformedthefirststepinplacingyourdatabaseintoARCHIVELOGmode.Thesecondstepisdecidin

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